Any time you wish to email a contact from within Grant Toolbox you need to just click on the contacts email address from the system.
From the contact itself click on the hyperlinked email address. You will need to be in view mode.
The Message Centre will be launched. Select a Template (optional), priority level, to and from email addresses.
Enter the subject of your email and the body of the email
If you want the email attached to the contact leave the 'Save as Event' selected if not deselect the checkbox.
Click Preview to check what will be sent, then you can press Send.